[SI-LIST] Re: [Q] IR Drop

  • From: Kihong Joshua Kim <joshuakh@xxxxxxxxx>
  • To: 김기돈 <kdkim@xxxxxxxxxxxxxx>
  • Date: Fri, 8 Oct 2010 10:43:49 -0400

Is there any possibility for local current loops?
Joshua Kihong Kim
±è±âÈ«, B2KC

On Fri, Oct 8, 2010 at 7:02 AM, ±è±âµ· <kdkim@xxxxxxxxxxxxxx> wrote:

> Dear all mentors,
>
>
> I¡¯m beginner at SI/PI area based on microwave eng¡¯g.
>
> Currently, I¡¯m doing simple example which have one voltage source(=3.3V)
> and three current sink location.
>
>
>
> Can anyone explain to me why IR drop amplitude is bigger at which smaller
> sink current passes?
>
>
>
>
>
> Stackup
>
> ------------ Signal02                  VRM-----Sink(1A)-----Sink(2A)-----
> Sink(1A)   : Distance from VRM
>
> ------------ PlaneVSS                               3.196V       3.189V
> 3.187V    : IR Drop
>
> ------------ PlaneVCC
>
> ------------ Signal01
>
>
>
>
>
> Thanks and Regards,
>
> Benjamin Kim
>
>
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